The Abinit project: Impact, environment and recent developments

X Gonze, B Amadon, G Antonius, F Arnardi… - Computer Physics …, 2020 - Elsevier
Abinit is a material-and nanostructure-oriented package that implements density-functional
theory (DFT) and many-body perturbation theory (MBPT) to find, from first principles …

EXAFS and XANES analysis of oxides at the nanoscale

A Kuzmin, J Chaboy - IUCrJ, 2014 - journals.iucr.org
Worldwide research activity at the nanoscale is triggering the appearance of new, and
frequently surprising, materials properties in which the increasing importance of surface and …

Measuring phonon dispersion at an interface

R Qi, R Shi, Y Li, Y Sun, M Wu, N Li, J Du, K Liu… - Nature, 2021 - nature.com
The breakdown of translational symmetry at heterointerfaces leads to the emergence of new
phonon modes localized at the interface. These modes have an essential role in thermal …

Parameter-free calculations of X-ray spectra with FEFF9

JJ Rehr, JJ Kas, FD Vila, MP Prange… - Physical Chemistry …, 2010 - pubs.rsc.org
We briefly review our implementation of the real-space Green's function (RSGF) approach
for calculations of X-ray spectra, focusing on recently developed parameter free models for …

Restoring the density-gradient expansion for exchange in solids and surfaces

JP Perdew, A Ruzsinszky, GI Csonka, OA Vydrov… - Physical review …, 2008 - APS
Popular modern generalized gradient approximations are biased toward the description of
free-atom energies. Restoration of the first-principles gradient expansion for exchange over …

Random forest machine learning models for interpretable X-ray absorption near-edge structure spectrum-property relationships

SB Torrisi, MR Carbone, BA Rohr… - npj Computational …, 2020 - nature.com
X-ray absorption spectroscopy (XAS) produces a wealth of information about the local
structure of materials, but interpretation of spectra often relies on easily accessible trends …

Ab initio theory and calculations of X-ray spectra

JJ Rehr, JJ Kas, MP Prange, AP Sorini… - Comptes Rendus …, 2009 - Elsevier
There has been dramatic progress in recent years both in the calculation and interpretation
of various x-ray spectroscopies. However, current theoretical calculations often use a …

Fast operando spectroscopy tracking in situ generation of rich defects in silver nanocrystals for highly selective electrochemical CO2 reduction

X Wu, Y Guo, Z Sun, F **e, D Guan, J Dai, F Yu… - Nature …, 2021 - nature.com
Electrochemical CO2 reduction (ECR) is highly attractive to curb global warming. The
knowledge on the evolution of catalysts and identification of active sites during the reaction …

Accuracy of generalized gradient approximation functionals for density-functional perturbation theory calculations

L He, F Liu, G Hautier, MJT Oliveira, MAL Marques… - Physical Review B, 2014 - APS
We assess the validity of various exchange-correlation functionals for computing the
structural, vibrational, dielectric, and thermodynamical properties of materials in the …

Nanoscale Localized Phonons at Al2O3 Grain Boundaries

J Yan, R Shi, J Wei, Y Li, R Qi, M Wu, X Li, B Feng… - Nano Letters, 2024 - ACS Publications
Nanoscale defects like grain boundaries (GBs) would introduce local phonon modes and
affect the bulk materials' thermal, electrical, optical, and mechanical properties. It is highly …